革命是一场漫长而艰苦的斗争，但它是实现真正独立和自由的唯一途径。
The revolution is a long and arduous struggle, but it is the only way to achieve true independence and freedom.
The best way to achieve investment success is to focus on the long-term and ignore short-term noise.
So given a Time Turner, I would tell my 21-year-old self that personal happiness lies in knowing that life is not a check-list of acquisition or achievement. Your qualifications, your CV, are not your life, though you will meet many people of my age and older who confuse the two. Life is difficult, and complicated, and beyond anyone’s total control, and the humility to know that will enable you to survive its vicissitudes.
To understand the present, you must first understand the past.